Isolation, Partial Purification and Assessment of the Antimicrobial Activity of a Peptide from the Flowers of Catharanthus roseus (White Flower) and (Pink Flower)

摘要

Extraction, isolation, and purification of an antimicrobial peptide was carried out from the flowers of Catharanthus roseus (white flower) and (pink flower) varieties and their antimicrobial activity was monitored against bacteria Escherichia coli{ Gram-negative)and Staphylococcus aureus (Gram-positive).Cathranthusroseus is well known for its medicinal properties. This study illustrates the antibacterial property of this plant against pathogenic and opportunistic organisms like Escherichia coli and Staphylococcus aureus.The results showed that the Catharanthusroseus flowers (white)and (pink) purified extracts have antibacterial activity against Escherichia coli and Sfapnyfococcusaureus. Therefore providing protection to the flowers against pathogeninvasion. This study also shows that an antibacterial compound has been isolated and detected.